US3525426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain cleaning cartridge
Assignee: JAMES P MILLER
•
Filing: 1968-08-21
•
Granted: 1970-08-25
•
Expires: 1988-08-21
Abstract
No abstract record available.
Inventors
- 👤 James P Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:11
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0555; B08B9/049; B08B9/051; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US786216A
Cited
US2251080A
Cited
US2283780A
Cited
US3190373A
Cited
US3199665A
Cited
US3283353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |